DNS response history for ns1.rackboost.net

ns1.rackboost.net is a DNS nameserver monitored by NameServerHistory. This page provides historical DNS response-time data, nameserver uptime signals, DNS latency observations, resolved IP history, successful response counts, failed response counts, and reliability indicators for this nameserver.

The selected UTC date is 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 55 successful responses, 2 failed responses, and 139 ms average response time. Current selected-date status: At least one successful DNS response was recorded for the selected date.

  • Use this report to investigate historical DNS uptime and nameserver reliability.
  • Compare DNS latency changes, failed DNS checks, and response behavior over time.
  • Review the latest resolved IP address and raw DNS check history for ns1.rackboost.net.
Records on Selected Date

57

Historical checks stored for this nameserver on selected date

Average Latency

139 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:58

All timestamps shown in UTC

Latest Resolved IP on Selected Date

188.166.55.200

Most recently resolved hosting IP on selected date

Successful Responses

55

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

4%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1.rackboost.net

Showing DNS history for 2026-08-20 UTC. Newest records appear first.

Latency bars are scaled to a maximum of 5000 ms for quick visual comparison.

# Query Time (UTC) Correlation ID Latency Response IP Address
57 2026-08-20 23:58 639228670775860800
12 ms 188.166.55.200
56 2026-08-20 23:06 639228639850033448
43 ms 188.166.55.200
55 2026-08-20 22:50 639228630204271870
4 ms 188.166.55.200
54 2026-08-20 22:34 639228620295091135
42 ms 188.166.55.200
53 2026-08-20 22:17 639228610298336915
3 ms 188.166.55.200
52 2026-08-20 21:25 639228578917047616
27 ms 188.166.55.200
51 2026-08-20 21:08 639228569046445709
59 ms 188.166.55.200
50 2026-08-20 20:51 639228558946830986
12 ms 188.166.55.200
49 2026-08-20 20:35 639228548977359217
16 ms 188.166.55.200
48 2026-08-20 19:42 639228517494157668
4 ms 188.166.55.200
47 2026-08-20 19:25 639228507374116892
84 ms 188.166.55.200
46 2026-08-20 19:09 639228497315154893
11 ms 188.166.55.200
45 2026-08-20 18:52 639228487287648341
29 ms 188.166.55.200
44 2026-08-20 17:59 639228455828123788
4 ms 188.166.55.200
43 2026-08-20 17:43 639228445900082244
9 ms 188.166.55.200
42 2026-08-20 17:26 639228435866352323
20 ms 188.166.55.200
41 2026-08-20 17:09 639228425802273151
7 ms 188.166.55.200
40 2026-08-20 16:16 639228393616324230
46 ms 188.166.55.200
39 2026-08-20 15:59 639228383590408693
12 ms 188.166.55.200
38 2026-08-20 15:42 639228373471467474
-
37 2026-08-20 15:25 639228363426647311
30 ms 188.166.55.200
36 2026-08-20 14:32 639228331681701910
32 ms 188.166.55.200
35 2026-08-20 14:16 639228321714746824
32 ms 188.166.55.200
34 2026-08-20 13:59 639228311652090262
2022 ms 188.166.55.200
33 2026-08-20 13:42 639228301670088587
13 ms 188.166.55.200
32 2026-08-20 12:50 639228269987976710
2048 ms 188.166.55.200
31 2026-08-20 12:33 639228260009452308
11 ms 188.166.55.200
30 2026-08-20 12:16 639228249661740894
75 ms 188.166.55.200
29 2026-08-20 11:59 639228239552680346
40 ms 188.166.55.200
28 2026-08-20 11:06 639228207667580819
33 ms 188.166.55.200
27 2026-08-20 10:49 639228197494011560
25 ms 188.166.55.200
26 2026-08-20 10:32 639228187497039939
9 ms 188.166.55.200
25 2026-08-20 10:15 639228177408432646
127 ms 188.166.55.200
24 2026-08-20 09:24 639228146356166262
25 ms 188.166.55.200
23 2026-08-20 09:07 639228136541505712
110 ms 188.166.55.200
22 2026-08-20 08:51 639228126519136598
15 ms 188.166.55.200
21 2026-08-20 08:34 639228116537148885
26 ms 188.166.55.200
20 2026-08-20 07:42 639228085320764351
36 ms 188.166.55.200
19 2026-08-20 07:25 639228075444604839
35 ms 188.166.55.200
18 2026-08-20 07:09 639228065615498985
4 ms 188.166.55.200
17 2026-08-20 06:53 639228055675321422
57 ms 188.166.55.200
16 2026-08-20 06:00 639228024230839396
27 ms 188.166.55.200
15 2026-08-20 05:44 639228014720406505
42 ms 188.166.55.200
14 2026-08-20 05:28 639228004930827030
8 ms 188.166.55.200
13 2026-08-20 05:12 639227995103340154
69 ms 188.166.55.200
12 2026-08-20 04:19 639227963811374894
9 ms 188.166.55.200
11 2026-08-20 04:03 639227954132571365
29 ms 188.166.55.200
10 2026-08-20 03:47 639227944541208342
-
9 2026-08-20 03:31 639227934657213484
8 ms 188.166.55.200
8 2026-08-20 02:39 639227903628145469
41 ms 188.166.55.200
7 2026-08-20 02:23 639227893995483475
3 ms 188.166.55.200
6 2026-08-20 02:07 639227884280244209
15 ms 188.166.55.200
5 2026-08-20 01:50 639227874371147132
18 ms 188.166.55.200
4 2026-08-20 00:58 639227843224256432
30 ms 188.166.55.200
3 2026-08-20 00:43 639227833720403506
33 ms 188.166.55.200
2 2026-08-20 00:27 639227824170728278
33 ms 188.166.55.200
1 2026-08-20 00:11 639227814865867570
2039 ms 188.166.55.200